Code allocations for numbers beginning 02357

Summary

  • Status
    • Designated: 1
  • Operators : 1
  • Latest change : June 2026
Click here for Status definitions
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Find out about the location and calling costs for 023 numbers on our 023 code page.

This page contains information about which telephone companies the various 02357 numbers are allocated to.

First Digits Status
023 57 Designated